def __init__(self,
data_handler,
overlay_bridge,
session,
buddycast_interval_function,
log='',
dnsindb=None):
""" Returns an instance of this class """
if ChannelCastCore.__single:
raise RuntimeError, "ChannelCastCore is singleton"
ChannelCastCore.__single = self
#Keep reference to interval-function of BuddycastFactory
self.interval = buddycast_interval_function
self.data_handler = data_handler
self.dnsindb = dnsindb
self.log = log
self.overlay_bridge = overlay_bridge
self.channelcastdb = ChannelCastDBHandler.getInstance()
self.votecastdb = VoteCastDBHandler.getInstance()
self.rtorrent_handler = RemoteTorrentHandler.getInstance()
self.session = session
self.database_thread = session.lm.database_thread
self.my_permid = session.get_permid()
self.network_delay = 30
#Reference to buddycast-core, set by the buddycast-core (as it is created by the
#buddycast-factory after calling this constructor).
self.buddycast_core = None
#Extend logging with ChannelCast-messages and status
if self.log:
self.overlay_log = OverlayLogger.getInstance(self.log)
self.dnsindb = self.data_handler.get_dns_from_peerdb
self.notifier = Notifier.getInstance()
self.metadataDbHandler = MetadataDBHandler.getInstance()
#subtitlesHandler = SubtitlesHandler.getInstance()
subtitleSupport = SubtitlesSupport.getInstance()
# better if an instance of RMDInterceptor was provided from the
# outside
self.peersHaveManger = PeersHaveManager.getInstance()
if not self.peersHaveManger.isRegistered():
self.peersHaveManger.register(self.metadataDbHandler,
self.overlay_bridge)
def __init__(self, data_handler, overlay_bridge, session, buddycast_interval_function, log = '', dnsindb = None):
""" Returns an instance of this class """
if ChannelCastCore.__single:
raise RuntimeError, "ChannelCastCore is singleton"
ChannelCastCore.__single = self
#Keep reference to interval-function of BuddycastFactory
self.interval = buddycast_interval_function
self.data_handler = data_handler
self.dnsindb = dnsindb
self.log = log
self.overlay_bridge = overlay_bridge
self.channelcastdb = ChannelCastDBHandler.getInstance()
self.votecastdb = VoteCastDBHandler.getInstance()
self.rtorrent_handler = RemoteTorrentHandler.getInstance()
self.my_permid = self.channelcastdb.my_permid
self.session = session
self.network_delay = 30
#Reference to buddycast-core, set by the buddycast-core (as it is created by the
#buddycast-factory after calling this constructor).
self.buddycast_core = None
#Extend logging with ChannelCast-messages and status
if self.log:
self.overlay_log = OverlayLogger.getInstance(self.log)
self.dnsindb = self.data_handler.get_dns_from_peerdb
self.notifier = Notifier.getInstance()
self.metadataDbHandler = MetadataDBHandler.getInstance()
#subtitlesHandler = SubtitlesHandler.getInstance()
subtitleSupport = SubtitlesSupport.getInstance()
# better if an instance of RMDInterceptor was provided from the
# outside
self.peersHaveManger = PeersHaveManager.getInstance()
if not self.peersHaveManger.isRegistered():
self.peersHaveManger.register(self.metadataDbHandler, self.overlay_bridge)
self.richMetadataInterceptor = RichMetadataInterceptor(self.metadataDbHandler,self.votecastdb,
self.my_permid, subtitleSupport, self.peersHaveManger,
self.notifier)
def register(self, overlay_bridge, session, launchmany, config, requestPolicy):
self.overlay_bridge = overlay_bridge
self.launchmany = launchmany
self.requestPolicy = requestPolicy
self.text_mode = config.has_key('text_mode')
# OverlayApps gets all messages, and demultiplexes
overlay_bridge.register_recv_callback(self.handleMessage)
overlay_bridge.register_conns_callback(self.handleConnection)
# Arno, 2010-01-28: Start with crawler support, other mods depend on
# that, e.g. BuddyCast
i_am_crawler = False
if config['crawler']:
crawler = Crawler.get_instance(session)
self.register_msg_handler([CRAWLER_REQUEST], crawler.handle_request)
database_crawler = DatabaseCrawler.get_instance()
crawler.register_message_handler(CRAWLER_DATABASE_QUERY, database_crawler.handle_crawler_request, database_crawler.handle_crawler_reply)
# seeding_stats_crawler = SeedingStatsCrawler.get_instance()
# crawler.register_message_handler(CRAWLER_SEEDINGSTATS_QUERY, seeding_stats_crawler.handle_crawler_request, seeding_stats_crawler.handle_crawler_reply)
friendship_crawler = FriendshipCrawler.get_instance(session)
crawler.register_message_handler(CRAWLER_FRIENDSHIP_STATS, friendship_crawler.handle_crawler_request, friendship_crawler.handle_crawler_reply)
natcheck_handler = NatCheckMsgHandler.getInstance()
natcheck_handler.register(launchmany)
crawler.register_message_handler(CRAWLER_NATCHECK, natcheck_handler.gotDoNatCheckMessage, natcheck_handler.gotNatCheckReplyMessage)
crawler.register_message_handler(CRAWLER_NATTRAVERSAL, natcheck_handler.gotUdpConnectRequest, natcheck_handler.gotUdpConnectReply)
# videoplayback_crawler = VideoPlaybackCrawler.get_instance()
# crawler.register_message_handler(CRAWLER_VIDEOPLAYBACK_EVENT_QUERY, videoplayback_crawler.handle_event_crawler_request, videoplayback_crawler.handle_event_crawler_reply)
# crawler.register_message_handler(CRAWLER_VIDEOPLAYBACK_INFO_QUERY, videoplayback_crawler.handle_info_crawler_request, videoplayback_crawler.handle_info_crawler_reply)
repex_crawler = RepexCrawler.get_instance(session)
crawler.register_message_handler(CRAWLER_REPEX_QUERY, repex_crawler.handle_crawler_request, repex_crawler.handle_crawler_reply)
puncture_crawler = PunctureCrawler.get_instance()
crawler.register_message_handler(CRAWLER_PUNCTURE_QUERY, puncture_crawler.handle_crawler_request, puncture_crawler.handle_crawler_reply)
channel_crawler = ChannelCrawler.get_instance()
crawler.register_message_handler(CRAWLER_CHANNEL_QUERY, channel_crawler.handle_crawler_request, channel_crawler.handle_crawler_reply)
usereventlog_crawler = UserEventLogCrawler.get_instance()
crawler.register_message_handler(CRAWLER_USEREVENTLOG_QUERY, usereventlog_crawler.handle_crawler_request, usereventlog_crawler.handle_crawler_reply)
if crawler.am_crawler():
i_am_crawler = True
# we will only accept CRAWLER_REPLY messages when we are actully a crawler
self.register_msg_handler([CRAWLER_REPLY], crawler.handle_reply)
self.register_connection_handler(crawler.handle_connection)
if "database" in sys.argv:
# allows access to tribler database (boudewijn)
crawler.register_crawl_initiator(database_crawler.query_initiator)
# if "videoplayback" in sys.argv:
# # allows access to video-playback statistics (boudewijn)
# crawler.register_crawl_initiator(videoplayback_crawler.query_initiator)
# if "seedingstats" in sys.argv:
# # allows access to seeding statistics (Boxun)
# crawler.register_crawl_initiator(seeding_stats_crawler.query_initiator, frequency=60*30)
if "friendship" in sys.argv:
# allows access to friendship statistics (Ali)
crawler.register_crawl_initiator(friendship_crawler.query_initiator)
if "natcheck" in sys.argv:
# allows access to nat-check statistics (Lucia)
crawler.register_crawl_initiator(natcheck_handler.doNatCheck, 3600)
if "repex" in sys.argv:
# allows access to RePEX log statistics (Raynor Vliegendhart)
crawler.register_crawl_initiator(repex_crawler.query_initiator)
if "puncture" in sys.argv:
# allows access to UDPPuncture log statistics (Gertjan)
crawler.register_crawl_initiator(puncture_crawler.query_initiator)
if "channel" in sys.argv:
# allows access to tribler channels' database (nitin)
crawler.register_crawl_initiator(channel_crawler.query_initiator)
if "usereventlog" in sys.argv:
# allows access to usereventlog database (Niels)
crawler.register_crawl_initiator(usereventlog_crawler.query_initiator)
else:
self.register_msg_handler([CRAWLER_REQUEST, CRAWLER_REPLY], self.handleDisabledMessage)
# ProxyService_
#
# Create handler for metadata messages in two parts, as
# ProxyService needs to know the metadata_handler and we need
# to know the proxy message handler.
# Part 1:
self.metadata_handler = MetadataHandler.getInstance()
# Create handler for messages to doe
self.doe_handler = DoeMessageHandler(launchmany)
self.register_msg_handler(ProxyMessages, self.doe_handler.handleMessage)
# Create handler for messages to proxy
self.proxy_handler = ProxyMessageHandler()
self.proxy_handler.register(session, self.metadata_handler, config['proxyservice_dir'], config.get('proxy_default_dlcfg', False))
self.register_msg_handler(DoeMessages, self.proxy_handler.handleMessage)
# Part 2:
# Register the ProxyHandler to be called when a .torrent is in
self.metadata_handler.register(overlay_bridge, self.proxy_handler, launchmany, config)
self.register_msg_handler(MetadataMessages, self.metadata_handler.handleMessage)
# Create the ProxyPeerManager
self.proxy_peer_manager = ProxyPeerManager(launchmany)
#
# _ProxyService
# 13-04-2010 Andrea: subtitles collecting
if not config['subtitles_collecting'] :
self.subtitles_handler = None
else:
self.subtitles_handler = SubtitlesHandler.getInstance()
self.subtitles_handler.register(self.overlay_bridge, self.launchmany.richmetadataDbHandler, self.launchmany.session)
self.peersHaveManger = PeersHaveManager.getInstance()
if not self.peersHaveManger.isRegistered():
self.peersHaveManger.register(self.launchmany.richmetadataDbHandler, self.overlay_bridge)
# I'm not sure if this is the best place to init this
self.subtitle_support = SubtitlesSupport.getInstance()
keypair = self.launchmany.session.keypair
permid = self.launchmany.session.get_permid()
self.subtitle_support._register(self.launchmany.richmetadataDbHandler,
self.subtitles_handler,
self.launchmany.channelcast_db, permid,
keypair, self.peersHaveManger,
self.overlay_bridge)
# cleanup the subtitles database at the first launch
self.subtitle_support.runDBConsinstencyRoutine()
if not config['torrent_collecting']:
self.torrent_collecting_solution = 0
else:
self.torrent_collecting_solution = config['buddycast_collecting_solution']
if config['buddycast']:
# Create handler for Buddycast messages
self.buddycast = BuddyCastFactory.getInstance(superpeer=config['superpeer'], log=config['overlay_log'])
# Using buddycast to handle torrent collecting since they are dependent
self.buddycast.register(overlay_bridge, launchmany,
launchmany.rawserver_fatalerrorfunc,
self.metadata_handler,
self.torrent_collecting_solution,
config['start_recommender'],config['buddycast_max_peers'],i_am_crawler)
self.register_msg_handler(BuddyCastMessages, self.buddycast.handleMessage)
self.register_connection_handler(self.buddycast.handleConnection)
if config['dialback']:
self.dialback_handler = DialbackMsgHandler.getInstance()
# The Dialback mechanism needs the real rawserver, not the overlay_bridge
self.dialback_handler.register(overlay_bridge, launchmany, launchmany.rawserver, config)
self.register_msg_handler([DIALBACK_REQUEST],
self.dialback_handler.olthread_handleSecOverlayMessage)
self.register_connection_handler(self.dialback_handler.olthread_handleSecOverlayConnection)
else:
self.register_msg_handler([DIALBACK_REQUEST], self.handleDisabledMessage)
if config['socnet']:
self.socnet_handler = SocialNetworkMsgHandler.getInstance()
self.socnet_handler.register(overlay_bridge, launchmany, config)
self.register_msg_handler(SocialNetworkMessages,self.socnet_handler.handleMessage)
self.register_connection_handler(self.socnet_handler.handleConnection)
self.friendship_handler = FriendshipMsgHandler.getInstance()
self.friendship_handler.register(overlay_bridge, launchmany.session)
self.register_msg_handler(FriendshipMessages,self.friendship_handler.handleMessage)
self.register_connection_handler(self.friendship_handler.handleConnection)
if config['rquery']:
self.rquery_handler = RemoteQueryMsgHandler.getInstance()
self.rquery_handler.register(overlay_bridge,launchmany,config,self.buddycast,log=config['overlay_log'])
self.register_msg_handler(RemoteQueryMessages,self.rquery_handler.handleMessage)
self.register_connection_handler(self.rquery_handler.handleConnection)
if config['subtitles_collecting']:
hndl = self.subtitles_handler.getMessageHandler()
self.register_msg_handler(SubtitleMessages, hndl)
if config['torrent_collecting']:
self.rtorrent_handler = RemoteTorrentHandler.getInstance()
self.rtorrent_handler.register(overlay_bridge,self.metadata_handler,session)
self.metadata_handler.register2(self.rtorrent_handler)
# Add notifier as connection handler
self.register_connection_handler(self.notifier_handles_connection)
if config['buddycast']:
# Arno: to prevent concurrency between mainthread and overlay
# thread where BuddyCast schedules tasks
self.buddycast.register2()
# ProxyService_
#
# Register the ProxyPeerManager with BuddyCast
# The ProxyPeerManager has to register after the BuddyCastCore object is created by the BuddyCastFactory.
# The BuddyCastCore object is created in a method scheduled by the overlay_bridge.
# If the ProxyPeerManager.register is also scheduled by the overlay_bridge, it will be executed after the
# BuddyCastCore is created (overlay_bridge executes the scheduled tasks in the order of their execution)
if self.proxy_peer_manager:
self.overlay_bridge.add_task(self.proxy_peer_manager.register, 0)
def register(self, overlay_bridge, session, launchmany, config, requestPolicy):
self.overlay_bridge = overlay_bridge
self.launchmany = launchmany
self.requestPolicy = requestPolicy
self.text_mode = config.has_key('text_mode')
# OverlayApps gets all messages, and demultiplexes
overlay_bridge.register_recv_callback(self.handleMessage)
overlay_bridge.register_conns_callback(self.handleConnection)
# Arno, 2010-01-28: Start with crawler support, other mods depend on
# that, e.g. BuddyCast
i_am_crawler = False
if config['crawler']:
crawler = Crawler.get_instance(session)
self.register_msg_handler([CRAWLER_REQUEST], crawler.handle_request)
database_crawler = DatabaseCrawler.get_instance()
crawler.register_message_handler(CRAWLER_DATABASE_QUERY, database_crawler.handle_crawler_request, database_crawler.handle_crawler_reply)
# seeding_stats_crawler = SeedingStatsCrawler.get_instance()
# crawler.register_message_handler(CRAWLER_SEEDINGSTATS_QUERY, seeding_stats_crawler.handle_crawler_request, seeding_stats_crawler.handle_crawler_reply)
friendship_crawler = FriendshipCrawler.get_instance(session)
crawler.register_message_handler(CRAWLER_FRIENDSHIP_STATS, friendship_crawler.handle_crawler_request, friendship_crawler.handle_crawler_reply)
natcheck_handler = NatCheckMsgHandler.getInstance()
natcheck_handler.register(launchmany)
crawler.register_message_handler(CRAWLER_NATCHECK, natcheck_handler.gotDoNatCheckMessage, natcheck_handler.gotNatCheckReplyMessage)
crawler.register_message_handler(CRAWLER_NATTRAVERSAL, natcheck_handler.gotUdpConnectRequest, natcheck_handler.gotUdpConnectReply)
# videoplayback_crawler = VideoPlaybackCrawler.get_instance()
# crawler.register_message_handler(CRAWLER_VIDEOPLAYBACK_EVENT_QUERY, videoplayback_crawler.handle_event_crawler_request, videoplayback_crawler.handle_event_crawler_reply)
# crawler.register_message_handler(CRAWLER_VIDEOPLAYBACK_INFO_QUERY, videoplayback_crawler.handle_info_crawler_request, videoplayback_crawler.handle_info_crawler_reply)
repex_crawler = RepexCrawler.get_instance(session)
crawler.register_message_handler(CRAWLER_REPEX_QUERY, repex_crawler.handle_crawler_request, repex_crawler.handle_crawler_reply)
puncture_crawler = PunctureCrawler.get_instance()
crawler.register_message_handler(CRAWLER_PUNCTURE_QUERY, puncture_crawler.handle_crawler_request, puncture_crawler.handle_crawler_reply)
channel_crawler = ChannelCrawler.get_instance()
crawler.register_message_handler(CRAWLER_CHANNEL_QUERY, channel_crawler.handle_crawler_request, channel_crawler.handle_crawler_reply)
usereventlog_crawler = UserEventLogCrawler.get_instance()
crawler.register_message_handler(CRAWLER_USEREVENTLOG_QUERY, usereventlog_crawler.handle_crawler_request, usereventlog_crawler.handle_crawler_reply)
if crawler.am_crawler():
i_am_crawler = True
# we will only accept CRAWLER_REPLY messages when we are actully a crawler
self.register_msg_handler([CRAWLER_REPLY], crawler.handle_reply)
self.register_connection_handler(crawler.handle_connection)
if "database" in sys.argv:
# allows access to tribler database (boudewijn)
crawler.register_crawl_initiator(database_crawler.query_initiator)
# if "videoplayback" in sys.argv:
# # allows access to video-playback statistics (boudewijn)
# crawler.register_crawl_initiator(videoplayback_crawler.query_initiator)
# if "seedingstats" in sys.argv:
# # allows access to seeding statistics (Boxun)
# crawler.register_crawl_initiator(seeding_stats_crawler.query_initiator, frequency=60*30)
if "friendship" in sys.argv:
# allows access to friendship statistics (Ali)
crawler.register_crawl_initiator(friendship_crawler.query_initiator)
if "natcheck" in sys.argv:
# allows access to nat-check statistics (Lucia)
crawler.register_crawl_initiator(natcheck_handler.doNatCheck, 3600)
if "repex" in sys.argv:
# allows access to RePEX log statistics (Raynor Vliegendhart)
crawler.register_crawl_initiator(repex_crawler.query_initiator)
if "puncture" in sys.argv:
# allows access to UDPPuncture log statistics (Gertjan)
crawler.register_crawl_initiator(puncture_crawler.query_initiator)
if "channel" in sys.argv:
# allows access to tribler channels' database (nitin)
crawler.register_crawl_initiator(channel_crawler.query_initiator)
if "usereventlog" in sys.argv:
# allows access to usereventlog database (Niels)
crawler.register_crawl_initiator(usereventlog_crawler.query_initiator)
else:
self.register_msg_handler([CRAWLER_REQUEST, CRAWLER_REPLY], self.handleDisabledMessage)
# ProxyService_
#
# Create handler for metadata messages in two parts, as
# ProxyService needs to know the metadata_handler and we need
# to know the proxy message handler.
# Part 1:
self.metadata_handler = MetadataHandler.getInstance()
# Create handler for messages to doe
self.doe_handler = DoeMessageHandler(launchmany)
self.register_msg_handler(ProxyMessages, self.doe_handler.handleMessage)
# Create handler for messages to proxy
self.proxy_handler = ProxyMessageHandler()
self.proxy_handler.register(session, self.metadata_handler, config['proxyservice_dir'], config.get('proxy_default_dlcfg', False))
self.register_msg_handler(DoeMessages, self.proxy_handler.handleMessage)
# Part 2:
# Register the ProxyHandler to be called when a .torrent is in
self.metadata_handler.register(overlay_bridge, self.proxy_handler, launchmany, config)
self.register_msg_handler(MetadataMessages, self.metadata_handler.handleMessage)
# Create the ProxyPeerManager
self.proxy_peer_manager = ProxyPeerManager(launchmany)
#
# _ProxyService
# 09-02-2011 Niels: disabling subtitles (no more channelcast
config['subtitles_collecting'] = False
# 13-04-2010 Andrea: subtitles collecting
if not config['subtitles_collecting'] :
self.subtitles_handler = None
else:
self.subtitles_handler = SubtitlesHandler.getInstance()
self.subtitles_handler.register(self.overlay_bridge, self.launchmany.richmetadataDbHandler, self.launchmany.session)
self.peersHaveManger = PeersHaveManager.getInstance()
if not self.peersHaveManger.isRegistered():
self.peersHaveManger.register(self.launchmany.richmetadataDbHandler, self.overlay_bridge)
# I'm not sure if this is the best place to init this
self.subtitle_support = SubtitlesSupport.getInstance()
keypair = self.launchmany.session.keypair
permid = self.launchmany.session.get_permid()
self.subtitle_support._register(self.launchmany.richmetadataDbHandler,
self.subtitles_handler,
self.launchmany.channelcast_db, permid,
keypair, self.peersHaveManger,
self.overlay_bridge)
# cleanup the subtitles database at the first launch
self.subtitle_support.runDBConsinstencyRoutine()
if not config['torrent_collecting']:
self.torrent_collecting_solution = 0
else:
self.torrent_collecting_solution = config['buddycast_collecting_solution']
if config['buddycast']:
# Create handler for Buddycast messages
self.buddycast = BuddyCastFactory.getInstance(superpeer=config['superpeer'], log=config['overlay_log'])
# Using buddycast to handle torrent collecting since they are dependent
self.buddycast.register(overlay_bridge, launchmany,
launchmany.rawserver_fatalerrorfunc,
self.metadata_handler,
self.torrent_collecting_solution,
config['start_recommender'],config['buddycast_max_peers'],i_am_crawler)
self.register_msg_handler(BuddyCastMessages, self.buddycast.handleMessage)
self.register_connection_handler(self.buddycast.handleConnection)
if config['dialback']:
self.dialback_handler = DialbackMsgHandler.getInstance()
# The Dialback mechanism needs the real rawserver, not the overlay_bridge
self.dialback_handler.register(overlay_bridge, launchmany, launchmany.rawserver, config)
self.register_msg_handler([DIALBACK_REQUEST],
self.dialback_handler.olthread_handleSecOverlayMessage)
self.register_connection_handler(self.dialback_handler.olthread_handleSecOverlayConnection)
else:
self.register_msg_handler([DIALBACK_REQUEST], self.handleDisabledMessage)
if config['socnet']:
self.socnet_handler = SocialNetworkMsgHandler.getInstance()
self.socnet_handler.register(overlay_bridge, launchmany, config)
self.register_msg_handler(SocialNetworkMessages,self.socnet_handler.handleMessage)
self.register_connection_handler(self.socnet_handler.handleConnection)
self.friendship_handler = FriendshipMsgHandler.getInstance()
self.friendship_handler.register(overlay_bridge, launchmany.session)
self.register_msg_handler(FriendshipMessages,self.friendship_handler.handleMessage)
self.register_connection_handler(self.friendship_handler.handleConnection)
if config['rquery']:
self.rquery_handler = RemoteQueryMsgHandler.getInstance()
self.rquery_handler.register(overlay_bridge,launchmany,config,self.buddycast,log=config['overlay_log'])
self.register_msg_handler(RemoteQueryMessages,self.rquery_handler.handleMessage)
self.register_connection_handler(self.rquery_handler.handleConnection)
if config['subtitles_collecting']:
hndl = self.subtitles_handler.getMessageHandler()
self.register_msg_handler(SubtitleMessages, hndl)
if config['torrent_collecting']:
self.rtorrent_handler = RemoteTorrentHandler.getInstance()
self.rtorrent_handler.register(overlay_bridge,self.metadata_handler,session)
self.metadata_handler.register2(self.rtorrent_handler)
# Add notifier as connection handler
self.register_connection_handler(self.notifier_handles_connection)
if config['buddycast']:
# Arno: to prevent concurrency between mainthread and overlay
# thread where BuddyCast schedules tasks
self.buddycast.register2()
# ProxyService_
#
# Register the ProxyPeerManager with BuddyCast
# The ProxyPeerManager has to register after the BuddyCastCore object is created by the BuddyCastFactory.
# The BuddyCastCore object is created in a method scheduled by the overlay_bridge.
# If the ProxyPeerManager.register is also scheduled by the overlay_bridge, it will be executed after the
# BuddyCastCore is created (overlay_bridge executes the scheduled tasks in the order of their execution)
if self.proxy_peer_manager:
self.overlay_bridge.add_task(self.proxy_peer_manager.register, 0)